.header {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 999;
	width: 100%;
	height: 110px;
	background-color: rgba(0,0,0,0.6);
}
.header img {
	display: block;
	float: left;
}
/*PC导航*/
.nav ul .shdlFirstLi {
	width: 110px;
	line-height:110px;
	text-align: center;
	float: left;
	display: inline;
	position:relative;
}
.nav ul .shdlFirstLi a {
	text-align: center;
	color:#fff;
	font-size: 16px;
	text-decoration: none;
	display: block;
}
.nav ul .shdlFirstLi:hover:after{
	content: '';
	position: absolute;
	top: 0;
	left:0;
	right:0;
	width: 100%;
	height: 4px;
	background-color: #6979ff;
}
.nav ul .shdlFirstLi:hover a{
	background:rgba(31,42,58,0.9);
	color: #fff;
}
.nav ul li:hover a {
	color: #fff;
}
.nav ul li a:hover {
	color: #fff;
	text-decoration: none;
}
.nav ul li:hover ul {
	display: block;
}
.nav ul li:hover ul li {
	height: auto;
	position: relative;
	min-height: 40px;
}
.nav ul li:hover ul .shdlSecondLi ul {
	display: none;
}
.nav ul li ul {
	display: none;
}
.nav ul li ul {
	background:rgba(31,42,58,0.9);
    width: 170px;
    position: absolute;
    top: 110px;
}
.nav ul li ul li {
	border-bottom: 1px solid rgba(31,42,58,0.4);;
	margin: 0px;
	text-align: left;
	line-height: 100%;
	font-size: 12px;
}
.nav ul li ul .shdlSecondLi a {
	font-size: 12px;
    display: block;
    line-height:40px;
}
.nav ul li ul .shdlSecondLi a:hover {
	color: #6979ff;
}
.nav ul li ul .shdlSecondLi:hover ul {
	display: block;
}
.nav ul li ul li ul {
	left: 170px;
	top: 0px;
	display: none;
	position: absolute;
	z-index: 23;
}
.nav ul li ul li ul li:hover a {
	color: #6979ff;
}
.nav ul li ul li ul .thirdLi a:hover {
	color: #6979ff;
}